GitHub - mrkaleArduinoLib/LiquidCrystal_I2C: A reimplementation of the standard Arduino LCD library, configured to work with parallel HD44780 compatible LCDs, and interfaced via a Chinese PCF8574 I2C serial extender.
Display LCD I2C (PCF8574T) Arduino | Giuseppe Caccavale
Arduino I2C-LCD Display Project with Malpartida Library – Enrique Latorres